import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '@/views/Login'
import Home from '@/views/Home'
import Welcome from '@/views/Welcome'
import User from '@/views/User'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {
        path: '/welcome',
        component: Welcome,
      },
      {
        path: '/users',
        component: User,
      }
    ]
  }

]

const router = new VueRouter({
  routes
})

//路由导航守卫
router.beforeEach((to, from, next) => {
  if (to.path === '/login') return next()
  //获取token
  const token = window.sessionStorage.getItem('token')
  if (!token) return next('/login')
  next()
})

export default router
